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Groovy example source code file (CommandAlias.groovy)

This example Groovy source code file (CommandAlias.groovy) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

command, commandalias, commandalias, commandsupport, list, list, object, object, shell, string, string

The Groovy CommandAlias.groovy source code

/*
 * Copyright 2003-2007 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.codehaus.groovy.tools.shell

/**
 * Provides simple command aliasing.
 *
 * @version $Id: CommandAlias.groovy 7598 2007-08-23 03:46:59Z user57 $
 * @author <a href="mailto:jason@planet57.com">Jason Dillon
 */
class CommandAlias
    extends CommandSupport
{
    final String targetName
    
    CommandAlias(final Shell shell, final String name, final String shortcut, final String target) {
        super(shell, name, shortcut)
        
        assert target

        this.targetName = target
    }
    
    Command getTarget() {
        def command = registry[targetName]
        
        assert command != null
        
        return command
    }
    
    protected List createCompletors() {
        return target.createCompletors()
    }
    
    String getDescription() {
        return messages.format('info.alias_to', targetName)
    }

    String getUsage() {
        return target.usage
    }
    
    String getHelp() {
        return target.help
    }
    
    boolean getHidden() {
        return target.hidden
    }
    
    Object execute(final List args) {
        target.execute(args)
    }
}

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